Granted Patent
Utility
US 6,710,402 · App. 09/872,798
Vertical MOS transistor and a method of manufacturing the same
Inventor:
Hirofumi Harada
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Jun 1, 2001
Inventor
Hirofumi Harada
Assignee (at issue)
SEIKO INSTRUMENTS INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.